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Filtering by: Date issued sim 1989-12-01 Remove constraint Date issued sim: 1989-12-01 Rights Statement Copyright Not Evaluated Remove constraint Rights Statement: Copyright Not Evaluated

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Groundwater flow model for the lower Malheur Basin near Ontario, Oregon

Creator:

Walker, David S.

Abstract:

The shallow, poorly-confined, sand and gravel aquifer underlying the lower Malheur River basin is contaminated by nitrate and metabolites of the herbicide dimethyl tetrachloroterephthalate (DCPA), first detected in 1983 and 1985, respectively. The aquifer supplies water for the Ontario municipal water system, domestic and industrial uses, and irrigation. In response...

Resource Type:

Masters Thesis
The influence of changing college workload on dating couples' activities and relationship satisfaction

Creator:

Pennington, Darren C.

Abstract:

Recent advances in courtship theory emphasize day-today interaction and the environment in which interaction takes place as critically important in the understanding of relationship development. The purpose of this study was to determine the influence of college course assignments on time spent in relationship activities and, similarly, the influence of...

Resource Type:

Dissertation
Growth, physiological characteristics and plasmid profiles of Bifidobacterium species

Creator:

Cheng, Ronshan

Abstract:

The fecal flora of healthy bottle or breast-fed infants was examined for the presence of Bifidobacterium. Identification was based on the presence of fructose-6-phosphate phosphoketolase, which is found only in these bacteria. No bifidobacteria were recovered from bottle-fed infants. However, bifidobacteria were readily isolated from 15 day to 3 month...

Resource Type:

Masters Thesis
The disease cycle of side rot of pear, caused by Phialophora malorum

Creator:

Sugar, David

Abstract:

Potential sources of inoculum of Phialophora malorum were investigated. P. malorum was found to be a soil-borne fungus whose role as a postharvest pathogen of pear is dependent upon passive dispersal with infested soil. P. malorum survived in soil under a wide range of conditions, with greatest survival in cool,...

Resource Type:

Dissertation

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Academic Affiliation

Botany and Plant Pathology1
Civil Engineering1
Food Science and Technology1
Human Development and Family Studies1

Advisor

Istok, Jonathan D.1
Sandine, William E.1
Spotts, Robert A.1
Zvonkovic, Anisa M.1

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1990 to 1991

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Committee Member

Klingeman, Pete1
Nelson, Pete1
Northam, Ray1

Creator

Cheng, Ronshan1
Pennington, Darren C.1
Sugar, David1
Walker, David S.1

Date

19894

Decade

1980-19894

Degree Field

Botany and Plant Pathology1
Civil Engineering1
Food Science and Technology1
Human Development and Family Studies1

Degree Level

Doctoral2
Master's2

Degree Name

Doctor of Philosophy (Ph.D.)2
Master of Science (M.S.)2

Language

English [eng]4

Non-Academic Affiliation

Oregon State University. Graduate School4

Peer Reviewed

No4

Resource Type

Dissertation2
Masters Thesis2

Rights Statement

Copyright Not Evaluated[remove]4

Subject

Bifidobacterium1
College students -- Social conditions1
Courtship1
Dating (Social customs)1
Groundwater -- Oregon -- Malheur River Watershed1
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